0580.E2.3.01 — x +x–4.: past paper questions

Real questions on 0580.e2.3.01 — x +x–4.

The newest 10 of 10 written questions. Open one to see it on the real paper.

1. 0980/11 · October/November 2024 · Q13b[2]
   (b) Solve. $6x+8=11x+4$See it on the paper →
2. 0980/21 · October/November 2024 · Q18a[1]
   18 $g(x)=4^{x+3}$ (a) Find $x$ when $g(x)=1$.See it on the paper →
3. 0980/31 · October/November 2024 · Q10a[2]
   10 (a) Solve. $4x-7=3$See it on the paper →
4. 0980/22 · May/June 2023 · Q8a[1]
   8 Solve. (a) $\frac{30}{x}=6$See it on the paper →
5. 0980/31 · October/November 2022 · Q7d[3]
   (d) Solve. $8(3t-9)=108$See it on the paper →
6. 0980/31 · October/November 2022 · Q7e(i)[1]
   (e) (i) $9^{24}÷9^w=9^5$ Find the value of $w$. $w=$See it on the paper →
7. 0980/31 · October/November 2022 · Q7f[4]
   (f) Ranjit's age is $x$ years. Suzi's age is 3 times Ranjit's age. Juan's age is 4 years more than Suzi's age. The total of their ages is 46 years. Use this information to write down an equation and solve it to find the value of $x$. $x=$See it on the paper →
8. 0980/41 · October/November 2022 · Q3c(ii)[3]
   (c) Solve the equations. (ii) $\frac{5}{x+3}=\frac{3}{x+5}$See it on the paper →
9. 0980/12 · May/June 2022 · Q12a[1]
   12 (a) The total cost of $n$ bags of flour is \d$. Write down an expression for the cost of one bag of flour. \ [1]See it on the paper →
10. 0980/12 · May/June 2022 · Q12b[2]
    (b) A bag of rice costs $randabagofalmondscosts$a. Pedro buys $x$ bags of rice and $y$ bags of almonds. Write down an expression for the change that Pedro receives from a $20 note.See it on the paper →

What examiners said

Candidates demonstrated good algebra skills dealing with this equation with the majority able to make the correct first step of expanding the bracket or dividing by 8 to reach 24t – 72 = 108 or 3t – 9 = 13.5. The second step was often completed successfully although the common error was to subtract 72 (or 9) instead of adding. Common errors included incorrect expansion of brackets by multiplying o...

— Examiner report, October/November 2022, 0980/31 Q7(d) (Cambridge)

Finding the value of w was well answered by the majority of candidates. Common incorrect answers were 29 (24 + 5), −19 (5 – 24) and 4.8 (24/5).

— Examiner report, October/November 2022, 0980/31 Q7(e)(i) (Cambridge)

The majority of candidates had the mathematical knowledge and skills to gain some credit in this question on forming and solving equations, with many successfully gaining full credit. The most common and successful method involved forming a correct first equation from the worded information. Candidates who gave a correct first equation often went on to gain full credit. The most common error was t...

— Examiner report, October/November 2022, 0980/31 Q7(f) (Cambridge)